EXT Ferro E-MX Fork Surron, Talaria, Eride Pro, 79 Bike, Segway

The EXT Ferro E-MX Fork is the gold standard in light e-moto suspension — a purpose-built, inverted USD fork engineered for the demands of off-road electric riding. Available in Flat Crown and Drop Crown configurations to suit your geometry preference.

Core Features

• Robust dual crown inverted MX design (USD)
• 36mm Ø hard chromed steel stanchions (heat treated 42CrMo4) with Superfinish surface treatment
• HS3 3-way positive air system + 1 large negative self-balancing air chamber for optimum support through all travel
• High-flow 3-way cartridge damper with independent high & low speed compression plus rebound damping adjustment
• Superfinish inner tube coating
• External pressure air release system on both legs
• Twin hexagonal floating axle, boost compatible Ø20mm
• Air spring and cartridge radial guide system with bespoke aeronautical seals (minimize friction on side loads)
• Large piston design for best damping control and separate IFP/coil energized compression valve
• No cavitation and low hysteresis
• Self-hydraulic cartridge bleeding
• Dedicated Mobile Sliding DU guiding system with super-long static overlap (CGB Continuously Guided Bushing system for maximum guidance and torsional rigidity)
• 205mm of travel and 44mm offset
• 200mm post mount brake
• Weight: 4,000g
• Pressure release one-way valves on both legs
• Compatible with stock fender design
• Boost Hub Spacing for flexibility with aftermarket wheel sets

NOTICE: If you are running a stock wheel or a wheel not specifically designed for BOOST hubs, you will need to install a rotor adaptor — available here.

PLEASE INCLUDE IN THE ORDER NOTES: RIDER WEIGHT

Note: For Sur-Ron builds not on the most current model year, a head tube reinforcement clamp is recommended. Contact us for availability.

Bike Compatibility